ENGINEERING THERMODYNAMICS QUIZ

Which of the following laws is applicable for the behaviour of a perfect gas?

All of these

Gay Lussac’s law

Charles ‘law

Boyle's law

TRUE ANSWER : ?
YOUR ANSWER : ?

Compressed air coming out from a punctured football

Becomes hotter

Remains at the same temperature

May become hotter or cooler depending upon the humidity of the surrounding air

Becomes cooler

TRUE ANSWER : ?
YOUR ANSWER : ?

In an extensive property of a thermodynamic system

None of the listed here

Extensive work is done

Extensive energy is utilized

Extensive heat is transferred

TRUE ANSWER : ?
YOUR ANSWER : ?

In a free expansion process

Work done is zero but heat increases

Heat transfer is zero

Work done is zero

Both (A) and (B) above

TRUE ANSWER : ?
YOUR ANSWER : ?

The __________ states that change of internal energy of a perfect gas is directly proportional to the change of temperature.

Charle's law

Gay-Lussac law

Boyle's law

Joule's law

TRUE ANSWER : ?
YOUR ANSWER : ?

A tri-atomic molecule consists of __________ atoms.

Three

Two

One

Four

TRUE ANSWER : ?
YOUR ANSWER : ?

Thermal power plant works on

Joule cycle

Carnot cycle

Rankine cycle

Otto cycle

TRUE ANSWER : ?
YOUR ANSWER : ?

The atomic mass of oxygen is

18

14

121

16

TRUE ANSWER : ?
YOUR ANSWER : ?

The door of a running refrigerator inside a room was left open. Which of the following statements is correct?

The room will be gradually warmed up

The temperature of the air in room will remain unaffected

The room will be cooled very slightly

The room will be cooled to the temperature inside the refrigerator

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YOUR ANSWER : ?

The heat and mechanical energies are mutually convertible. This statement was established by

None of these

Joule

Boyle

Charles

TRUE ANSWER : ?
YOUR ANSWER : ?